------------[ cut here ]------------ AppArmor WARN apparmor_secid_to_secctx: ((!secdata)): WARNING: CPU: 1 PID: 16499 at security/apparmor/secid.c:82 apparmor_secid_to_secctx+0x2b1/0x2f0 security/apparmor/secid.c:82 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 16499 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #213 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'loop3' (000000002e5c6359): kobject_uevent_env panic+0x238/0x4e7 kernel/panic.c:184 kobject: 'loop3' (000000002e5c6359): fill_kobj_path: path = '/devices/virtual/block/loop3' __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:apparmor_secid_to_secctx+0x2b1/0x2f0 security/apparmor/secid.c:82 Code: c7 c7 c0 67 5f 88 e8 de 44 f4 fd 0f 0b e9 6c fe ff ff e8 12 5a 2a fe 48 c7 c6 00 69 5f 88 48 c7 c7 20 67 5f 88 e8 bf 44 f4 fd <0f> 0b e9 3f fe ff ff 48 89 df e8 90 c8 6d fe e9 ed fe ff ff bb f4 ------------[ cut here ]------------ RSP: 0018:ffff8801c00f70a8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8801c00f7268 RCX: ffffc90002059000 RDX: 000000000000954a RSI: ffffffff8164f825 RDI: 0000000000000005 RBP: ffff8801c00f70c8 R08: ffff8801c1644100 R09: ffffed003b5a3ee2 R10: ffffed003b5a3ee2 R11: ffff8801dad1f717 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801c00f7268 security_secid_to_secctx+0x64/0xc0 security/security.c:1314 AppArmor WARN apparmor_secid_to_secctx: ((!secdata)): ctnetlink_secctx_size net/netfilter/nf_conntrack_netlink.c:621 [inline] ctnetlink_nlmsg_size net/netfilter/nf_conntrack_netlink.c:659 [inline] ctnetlink_conntrack_event+0x303/0x1470 net/netfilter/nf_conntrack_netlink.c:706 WARNING: CPU: 0 PID: 16502 at security/apparmor/secid.c:82 apparmor_secid_to_secctx+0x2b1/0x2f0 security/apparmor/secid.c:82 Modules linked in: CPU: 0 PID: 16502 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #213 nf_ct_deliver_cached_events+0x4e3/0x7d0 net/netfilter/nf_conntrack_ecache.c:215 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:apparmor_secid_to_secctx+0x2b1/0x2f0 security/apparmor/secid.c:82 Code: c7 c7 c0 67 5f 88 e8 de 44 f4 fd 0f 0b e9 6c fe ff ff e8 12 5a 2a fe 48 c7 c6 00 69 5f 88 48 c7 c7 20 67 5f 88 e8 bf 44 f4 fd <0f> 0b e9 3f fe ff ff 48 89 df e8 90 c8 6d fe e9 ed fe ff ff bb f4 RSP: 0018:ffff8801c2dff0a8 EFLAGS: 00010286 nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:64 [inline] ipv4_confirm+0x2d5/0x500 net/netfilter/nf_conntrack_proto.c:451 RAX: 0000000000000000 RBX: ffff8801c2dff268 RCX: ffffc90003463000 RDX: 0000000000040000 RSI: ffffffff8164f825 RDI: 0000000000000005 RBP: ffff8801c2dff0c8 R08: ffff8801cd4f2600 R09: ffffed003b584fe8 R10: ffffed003b584fe8 R11: ffff8801dac27f47 R12: 0000000000000001 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc2/0x1c0 net/netfilter/core.c:511 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801c2dff268 nf_hook include/linux/netfilter.h:242 [inline] NF_HOOK_COND include/linux/netfilter.h:275 [inline] ip_output+0x57f/0x8d0 net/ipv4/ip_output.c:405 FS: 00007f9779523700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f97794e0db8 CR3: 00000001d2590000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 dst_output include/net/dst.h:444 [inline] ip_local_out+0xc5/0x1b0 net/ipv4/ip_output.c:124 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ip_send_skb+0x40/0xe0 net/ipv4/ip_output.c:1441 Call Trace: udp_send_skb.isra.38+0x6ad/0x11c0 net/ipv4/udp.c:829 security_secid_to_secctx+0x64/0xc0 security/security.c:1314 udp_sendmsg+0x29f2/0x3b70 net/ipv4/udp.c:1116 ctnetlink_secctx_size net/netfilter/nf_conntrack_netlink.c:621 [inline] ctnetlink_nlmsg_size net/netfilter/nf_conntrack_netlink.c:659 [inline] ctnetlink_conntrack_event+0x303/0x1470 net/netfilter/nf_conntrack_netlink.c:706 nf_ct_deliver_cached_events+0x4e3/0x7d0 net/netfilter/nf_conntrack_ecache.c:215 nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:64 [inline] ipv4_confirm+0x2d5/0x500 net/netfilter/nf_conntrack_proto.c:451 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc2/0x1c0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:242 [inline] NF_HOOK_COND include/linux/netfilter.h:275 [inline] ip_output+0x57f/0x8d0 net/ipv4/ip_output.c:405 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 dst_output include/net/dst.h:444 [inline] ip_local_out+0xc5/0x1b0 net/ipv4/ip_output.c:124 __sys_sendto+0x3d7/0x670 net/socket.c:1786 ip_send_skb+0x40/0xe0 net/ipv4/ip_output.c:1441 udp_send_skb.isra.38+0x6ad/0x11c0 net/ipv4/udp.c:829 udp_sendmsg+0x29f2/0x3b70 net/ipv4/udp.c:1116 __do_sys_sendto net/socket.c:1798 [inline] __se_sys_sendto net/socket.c:1794 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1794 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4572d9 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 RSP: 002b:00007f04fc840c78 EFLAGS: 00000246 __sys_sendto+0x3d7/0x670 net/socket.c:1786 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f04fc8416d4 RCX: 00000000004572d9 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000006 RBP: 0000000000930140 R08: 0000000020000140 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d5030 R14: 00000000004c94b6 R15: 0000000000000001 __do_sys_sendto net/socket.c:1798 [inline] __se_sys_sendto net/socket.c:1794 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1794 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4572d9 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9779522c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f97795236d4 RCX: 00000000004572d9 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00000000009300a0 R08: 0000000020000140 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d5030 R14: 00000000004c94b6 R15: 0000000000000000 irq event stamp: 1542 hardirqs last enabled at (1541): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1541): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (1542): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1512): [] __nf_conntrack_confirm+0xfac/0x3550 net/netfilter/nf_conntrack_core.c:947 softirqs last disabled at (1508): [] __nf_conntrack_confirm+0x14b/0x3550 net/netfilter/nf_conntrack_core.c:883 ---[ end trace ef41fc4238ed737d ]--- Kernel Offset: disabled Rebooting in 86400 seconds..